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What is a Logarithm? - University of Minnesota
A logarithm is the power to which a number must be raised in order to get some other number (see Section 3 of this Math Review for more about exponents). For example, the base ten logarithm of 100 is 2, because ten raised to the power of two is 100: log 100 = 2.
www.mclph.umn.edu
www.mclph.umn.edu
Logarithm - Wikipedia
In mathematics, the logarithm of a number is the exponent by which another fixed value, the base, must be raised to produce that number.
en.wikipedia.org
en.wikipedia.org
Introduction to Logarithms - Math is Fun
In its simplest form, a logarithm answers the question: How many of one number multiply together to make another number?
www.mathsisfun.com
www.mathsisfun.com
logarithm
logarithm Math. (ˈlɒgərɪθ(ə)m, -ɪð-) Also 7 erron. logorythm. [ad. mod.L. logarithm-us (Napier, 1614), f. Gr. λόγ-ος word, proportion, ratio + ἀριθµός number. Napier does not explain his view of the literal meaning of logarithmus. It is commonly taken to mean ‘ratio-number’, and as thus interpreted ...
Oxford English Dictionary
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[PDF] Logarithms | MathCentre
We can use logarithms to solve equations where the unknown is in the power. Suppose we wish to solve the equation 3x = 5. We can solve this by taking logarithms ...
www.mathcentre.ac.uk
www.mathcentre.ac.uk
Properties of Logarithms - YouTube
This algebra video tutorial provides a basic introduction into the properties of logarithms. It explains how to evaluate logarithmic ...
m.youtube.com
m.youtube.com
Logarithm -- from Wolfram MathWorld
The logarithm log_bx for a base b and a number x is defined to be the inverse function of taking b to the power x, ie, b^x.
mathworld.wolfram.com
mathworld.wolfram.com
ELI5: what exactly *is* a logarithm and what does it do? - Reddit
I mean, I've used them in algebra many times but I never really understood what it does. Kinda like in biostatistics how I could do the math ...
www.reddit.com
www.reddit.com
Intro to Logarithms (article) - Khan Academy
You will learn what logarithms are, and evaluate some basic logarithms. This will prepare you for future work with logarithm expressions and functions.
www.khanacademy.org
www.khanacademy.org
Algebra - Logarithm Functions - Pauls Online Math Notes
In this section we will introduce logarithm functions. We give the basic properties and graphs of logarithm functions.
tutorial.math.lamar.edu
tutorial.math.lamar.edu
Demystifying the Natural Logarithm (ln) - BetterExplained
The natural log is the inverse of e x , a fancy term for opposite. Speaking of fancy, the Latin name is logarithmus naturali, giving the abbreviation ln.
betterexplained.com
betterexplained.com
ln - Natural logarithm calculator
Natural logarithm calculator. Calculate ln(x).
www.rapidtables.com
logarithm
logarithm/ˈlɔgərɪðəm; ?@ ˈlɔ:g-; `lɔɡəˌrɪðəm/ n(mathematics 数) any of a series of numbers set out in tables which make it possible to work out problems in multiplication and division by adding and subtracting 对数. =>App 4 见附录4.
牛津英汉双解词典
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Napierian logarithm
The term Napierian logarithm or Naperian logarithm, named after John Napier, is often used to mean the natural logarithm. :
The Napierian logarithm satisfies identities quite similar to the modern logarithm, such as
or
In Napier's 1614 Mirifici Logarithmorum Canonis
wikipedia.org
en.wikipedia.org
Log rules | logarithm rules - RapidTables.com
log b (x / y) = log b (x) - log b (y) For example: log 10 (3 / 7) = log 10 (3) - log 10 (7) Logarithm power rule. The logarithm of x raised to the power of y is y times the logarithm of x. log b (x y) = y ∙ log b (x) For example: log 10 (2 8) = 8∙ log 10 (2) Logarithm base switch rule. The base b logarithm of c is 1 divided by the base c ...
www.rapidtables.com